NVIDIA ASR NIM Microservice API References

The ASR NIM microservice exposes two APIs for speech recognition: a gRPC API based on protocol buffers for batch and streaming transcription, and a WebSocket-based realtime API for low-latency interactive use cases.

gRPC Protobuf API

Protocol buffer definitions for the RivaSpeechRecognition gRPC service, including batch and streaming speech recognition methods.

Reference

gRPC API Reference

Realtime WebSocket API

WebSocket event-based API reference for real-time audio streaming and speech transcription.

Reference

Realtime API Reference